we are using asp.net & sqlserver2005. by entering the credit card number, we have to transfer that number from our server to the bank server, if that number is valid then the bank server will sent the response to our server. How to communicate from our server to their server & pass the queries. They gave API, but i cant able to connect to their server... i got an error ***"Remote server returned an error ,Forbidden"***. Please help me..